Preferred Stock and Warrants (Summary of Preferred Stock Terms) (Detail) (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Class of Stock [Line Items]
Preferred Stock, Liquidation Value	$ 1,121	$ 2,871
Series A Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Liquidation Value	212,625
Preferred Stock, Conversion Price	$ 10,303
Preferred stock, conversion Rate	0.00044%
Preferred stock, voting Rights	None
Preferred Stock, Conversion Period	Any time
Series B Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Liquidation Value	375,000
Preferred Stock, Conversion Price	$ 1,000
Preferred stock, conversion Rate	0.004%
Preferred stock, voting Rights	None
Preferred Stock, Dividends	10.00%	10.00%
Preferred Stock, Conversion Period	Any time
Preferred stock, cumulative and undeclared dividends in arrears	530,038	520,665
Series C Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Liquidation Value	115,000
Preferred Stock, Conversion Price	$ 600
Preferred stock, conversion Rate	0.005%
Preferred stock, voting Rights	None
Preferred Stock, Dividends	10.00%	10.00%
Preferred Stock, Conversion Period	Any time
Preferred stock, cumulative and undeclared dividends in arrears	154,288	151,413
Series D Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Dividends	10.00%	10.00%
Series E Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock, Liquidation Value	418,488
Preferred Stock, Conversion Price	$ 800.00
Preferred stock, conversion Rate	0.0275%
Preferred stock, voting Rights	Equal in all respects to holders of common shares
Preferred Stock, Dividends	10.00%	10.00%
Preferred Stock, Conversion Period	Any time
Preferred stock, cumulative and undeclared dividends in arrears	$ 568,177	$ 558,173